patch 9.1.0513: Vim9: segfault with object comparison
Problem: Vim9: segfault with object comparisons
Solution: increment recusive_cnt before calling typval_compare_object()
(Ernie Rael)
closes: #15073
Signed-off-by: Ernie Rael <errael@raelity.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/src/testdir/test_vim9_class.vim b/src/testdir/test_vim9_class.vim
index e92fcc5..c363cf0 100644
--- a/src/testdir/test_vim9_class.vim
+++ b/src/testdir/test_vim9_class.vim
@@ -10486,6 +10486,24 @@
v9.CheckScriptFailure(lines, 'E1347: Not a valid interface: A', 3)
enddef
+" Test for comparing a class referencing itself
+def Test_Object_Compare_With_Recursive_Class_Ref()
+ var lines =<< trim END
+ vim9script
+
+ class C
+ public var nest: C
+ endclass
+
+ var o1 = C.new()
+ o1.nest = o1
+
+ var result = o1 == o1
+ assert_equal(true, result)
+ END
+ v9.CheckScriptSuccess(lines)
+enddef
+
" Test for using a compound operator from a lambda function in an object method
def Test_compound_op_in_objmethod_lambda()
# Test using the "+=" operator